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TPS73719-Q1 PDF预览

TPS73719-Q1

更新时间： 2024-09-15 12:47:11
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
19页 536K
描述
1-A LOW-DROPOUT REGULATOR WITH REVERSE CURRENT PROTECTION

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TPS73719-Q1 数据手册

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TPS73719-Q1  
TPS73733-Q1  
www.ti.com ........................................................................................................................................................................................... SBVS123–DECEMBER 2008  
1-A LOW-DROPOUT REGULATOR  
WITH REVERSE CURRENT PROTECTION  
1
FEATURES  
2
•
Qualified for Automotive Applications  
•
•
Thermal Shutdown and Current Limit for Fault  
Protection  
•
Stable with 1.0-µF or Larger Ceramic Output  
Capacitor  
Available in Multiple Output Voltage Versions  
•
•
•
Input Voltage Range: 2.2 V to 5.5 V  
–
–
Adjustable Output: 1.20 V to 5.5 V  
Ultra-Low Dropout Voltage: 130 mV typ at 1 A  
Custom Outputs Available Using Factory  
Package-Level Programming  
Excellent Load Transient Response, Even With  
Only 1.0-µF Output Capacitor  
APPLICATIONS  
•
NMOS Topology Delivers Low Reverse  
Leakage Current  
•
Point of Load Regulation for DSPs, FPGAs,  
ASICs, and Microprocessors  
•
•
1.0% Initial Accuracy  
•
•
Post-Regulation for Switching Supplies  
Portable/Battery-Powered Equipment  
3% Overall Accuracy Over Line, Load, and  
Temperature  
•
Less Than 20-nA (Typ) Quiescent Current in  
Shutdown Mode  
DESCRIPTION/ORDERING INFORMATION  
The TPS737xx family of linear low-dropout (LDO) voltage regulators uses an NMOS pass element in a  
voltage-follower configuration. This topology is relatively insensitive to output capacitor value and ESR, allowing  
a wide variety of load configurations. Load transient response is excellent, even with a small 1.0-µF ceramic  
output capacitor. The NMOS topology also allows very low dropout.  
The TPS737xx family uses an advanced BiCMOS process to yield high precision while delivering very low  
dropout voltages and low ground pin current. Current consumption, when not enabled, is under 20 nA and ideal  
for portable applications. These devices are protected by thermal shutdown and foldback current limit.  
Optional  
DRB PACKAGE  
(TOP VIEW)  
VIN  
VOUT  
1.0 µF  
IN  
OUT  
FB  
OUT  
NC  
1
2
3
4
8
7
6
5
IN  
TPS737xx  
NC  
NC  
EN  
EN  
GND  
NR/FB  
GND  
ON  
OFF  
NC – No internal connection  
Typical Application Circuit  
ORDERING INFORMATION(1)  
TA  
VOUT (TYP)  
3.3 V  
PACKAGE(2)  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING  
TPS73733QDRBRQ1  
TPS73719QDRBRQ1  
TPS73701QDRBRQ1  
733Q  
–40°C to 125°C  
1.9 V  
SON – DRB  
Reel of 3000  
719Q  
Adjustable  
PREVIEW  
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI  
web site at www.ti.com.  
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
UNLESS OTHERWISE NOTED this document contains  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008, Texas Instruments Incorporated  
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